Baek Hyun-woo and Hong Hae-in navigate a tense relationship, both at home and at work. But upon deciding his future, Hyun-woo pays a visit to his family.
After Hae-in reveals her grim news to Hyun-woo, he begins to treat her nicely. Meanwhile, Hae-in's old classmate returns to Korea and joins Queens Group.
Yoon Eun-sung's increasing involvement with Hae-in leads to jealousy from Hyun-woo. Hae-in eventually comes to Baek Du-gwan's aid in his moment of need.
Despite being in a tense situation with Hae In, Hyun Woo remains firm about staying in the company as his suspicions towards Eun Sung grow even stronger.
Haein's symptoms worsen as she suffers from hallucinations, which Eun-sung takes advantage of. Soon after, Hyun-woo finds himself captured and in danger.
Eun-sung executes his final plan to make Hae-in his own. As she tries to escape from his grasp with the help of Hyun-woo, will they finally find peace?